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Hourly Forecast
Daylight Hours
06:28
Sunrise
18:42
Sunset
Moon
Waxing Crescent
12:32
Moonrise
20:35
Moonset
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Weather in Portland today, September 16, 2026
Portland is set for a fine, sunny day on September 16, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. The first half of the day looks overcast, as cloud amounts reach about 100% around 08:00. Brighter weather, if it comes, waits until later.
The temperature range runs from about 11°C up to 23°C. Moisture in the air spans 49%-97%, with the highest values around 05:00. A lighter breeze peaks around 21:00 near 11.9 km/h.
Later hours favour clearer intervals, as cloud stays near 29% around 23:00. The afternoon is the better half for outdoor time. Expect visibility near 14.9 km, with poorer spells close to 11.1 km. Expect sunrise at 06:28, sunset at 18:42, and 12 hours 13 minutes of sunlight today overall.
Taken together, settled sunshine in Portland on September 16, 2026 makes outdoor timing easier, with highs near 23°C.
Frequently asked questions about weather in Portland
How warm does it get in Portland?
The warmest month in Portland is July, with average high temperatures of 23°C. The average temperature during this period is around 20°C.
How cold does it get in Portland?
The coldest month in Portland is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Portland?
The wettest month in Portland is December, with an average of 147mm of precipitation.
What is the driest time of year in Portland?
The driest month in Portland is September, with an average of 76mm of precipitation.
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